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Phone Samsung SPH-Z400 HTC G2 Palm Treo Pro (GSM) Samsung Galaxy A02s
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
3.7" diag.
5 : 3
? 6.5" diag.
20 : 9
Display Resolution & Type 176 x 220 pixels
(~150 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery 1,300 mAh 1,300 mAh 1,500 mAh 5,000 mAh
Processor ? 800 MHz Qualcomm S2 MSM7230 400 MHz MSM7201 Qualcomm Snapdragon 450
RAM ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera 1 megapixel 5 megapixel 2 megapixel 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) 720p HD ? 1080p HD
Front Camera - - - 5 megapixel
Weight 4.06 oz
(115g)
6.5 oz
(184g)
4.69 oz
(133g)
6.98 oz
(198g)
Dimensions 3.73" x 1.91" x 1"
(95 x 49 x 25.4 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
6.56" x 2.99" x 0.36"
(166 x 76 x 9.2 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Windows Mobile Professional Android
Network Bands

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO rA HSPA 14.4 HSDPA 3.6 LTE (Cat 4)
Features 
Barometer - - - Yes
Flashlight - - - Yes
GPS / Location Yes n/a n/a n/a
Ruggedized Yes - - -
Accessibility
Adjustable Text Size Yes n/a n/a n/a
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes - - Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot - n/a n/a n/a
USB Yes Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Text Keyboard, Hardware - Yes Yes -
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS - n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player - n/a n/a n/a
Stereo Speakers Yes - - -
Power
Fast Charging - - - Yes
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
HD Voice - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes Yes
  Samsung SPH-Z400 HTC G2 Palm Treo Pro (GSM) Samsung Galaxy A02s
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Phone Samsung SPH-Z400 HTC G2 Palm Treo Pro (GSM) Samsung Galaxy A02s

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